Keywords: 1859 U.S. Coast Survey Triangulation Map of the Florida Keys - Geographicus - FloridaKeys-uscs-1859.jpg A very attractive example of the 1859 U S Coast Survey triangulation chart or map of southern Florida and the Florida Keys Covers from Key Biscayne Bay south along the Keys past Key West as far as the Marquesas Keys Countless triangulation points are noted throughout Names each of the Keys and identifies Miami at the northern edge of Key Biscayne Bay and the city of Key West at the time a prosperous center of commerce The chart was produced in 1859 under the supervision of A D Bache one of the most influential and prolific Superintendents of the U S Coast Survey 1859 dated Size in 34 20 5 object history credit line accession number FloridaKeys-uscs-1859 <i>Report of the Superintendent of the United States Coast Survey</i> Washington D C 1859 Geographicus-source PD-art United States Coast Survey maps Old maps of the Florida Keys 1859 maps |